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License: GNU Lesser General Public License v3.0
Matrix toolbox
License: GNU Lesser General Public License v3.0
Copyright 2010,2011,2013,2017,2018,2020,2021,2023,2024 Igor Zhuravlov See the accompanying file COPYING.LESSER, version 2007-Jun-29 or later for terms of use. If, for some reason it is missing, the mt license also may be found at: <http://www.gnu.org/licenses/> 'Matrix toolbox' addon for J language mt is a set of routines for solving some problems in matrix algebra: transforming, decomposing, reducing to condensed form, factorization, equation solving, function applying, condition number estimating. Its algorithms are based on those from LAPACK [1], RRQR [2, 3] and SLICOT [4] libraries. Project homepage: http://code.jsoftware.com/wiki/Addons/math/mt Authors: see AUTHORS file TODO: see TODO file References: [1] Anderson, E. and Bai, Z. and Bischof, C. and Blackford, S. and Demmel, J. and Dongarra, J. and Du Croz, J. and Greenbaum, A. and Hammarling, S. and McKenney, A. and Sorensen, D. (1999). LAPACK Users' Guide. (3rd). Philadelphia, PA: Society for Industrial and Applied Mathematics. http://www.netlib.org/lapack [2] C. H. Bischof, G. Quintana-Ortí. Computing Rank-Revealing QR Factorizations of Dense Matrices. ACM Transactions on Mathematical Software, June 1998, Vol. 24, No. 2, pp. 226-253. https://doi.org/10.1145/290200.287637 [3] C. H. Bischof, G. Quintana-Ortí. Algorithm 782: Codes for Rank-Revealing QR Factorizations of Dense Matrices. ACM Transactions on Mathematical Software, June 1998, Vol. 24, No. 2, pp. 254-257. http://www.netlib.org/toms/782 [4] Benner, P., Mehrmann, V., Sima, V., Van Huffel, S., and A. Varga: "SLICOT - A Subroutine Library in Systems and Control Theory", June 1997, NICONET Report 97-3; also in "Applied and Computational Control, Signal and Circuits" (Biswa N. Datta, Ed.), Birkauser, vol. 1, ch. 10, pp. 499-539, 1999, ISBN 0-8176-3954-2, 3-7643-3954-3, ISSN 1522-8363. http://www.slicot.org/
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